102202021001212 has 24 divisors (see below), whose sum is σ = 195656439323520. Its totient is φ = 46326061677360.

The previous prime is 102202021001203. The next prime is 102202021001359. The reversal of 102202021001212 is 212100120202201.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3235044378 + ... + 3235075969.

It is an arithmetic number, because the mean of its divisors is an integer number (8152351638480).

Almost surely, 2^{102202021001212} is an apocalyptic number.

It is an amenable number.

102202021001212 is a deficient number, since it is larger than the sum of its proper divisors (93454418322308).

102202021001212 is a wasteful number, since it uses less digits than its factorization.

102202021001212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6470120721 (or 6470120719 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 102202021001212 its reverse (212100120202201), we get a palindrome (314302141203413).

The spelling of 102202021001212 in words is "one hundred two trillion, two hundred two billion, twenty-one million, one thousand, two hundred twelve".